303130023020 has 24 divisors (see below), whose sum is σ = 694443325968. Its totient is φ = 110229099200.

The previous prime is 303130023019. The next prime is 303130023061. The reversal of 303130023020 is 20320031303.

It is a super-2 number, since 2×303130023020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 303130023020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688931651 + ... + 688932090.

It is an arithmetic number, because the mean of its divisors is an integer number (28935138582).

Almost surely, 2^303130023020 is an apocalyptic number.

It is an amenable number.

303130023020 is an abundant number, since it is smaller than the sum of its proper divisors (391313302948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303130023020 is a wasteful number, since it uses less digits than its factorization.

303130023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377863761 (or 1377863759 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 303130023020 its reverse (20320031303), we get a palindrome (323450054323).

The spelling of 303130023020 in words is "three hundred three billion, one hundred thirty million, twenty-three thousand, twenty".